[OSM-talk] How to tag lanes, not ways, was: Deprecating the use of Tag:highway=stop in favour of Key:stop

[John Smith]

2009/8/28 Tobias Knerr <osm at tobias-knerr.de>:
> I believe that stop signs have usually nothing to do with lanes (though
> there probably are exceptions). They apply to everyone travelling into a
> certain direction, no matter on what lane. This becomes apparent in
> streets where there are no distinct lanes for the two directions of
> traffic: Stop signs will still apply to everyone moving towards a
> junction. They will not apply to certain lanes, obviously, because there
> are none.

The assumption is an average way has 2 lanes, one in each direction,
and a stop sign only effects one direction.

> So except for truly lane-based stop signs, I think that expressing stop
> signs using lane-based methods would be a bad idea - as they are
> direction based, not lane based, in reality.

You are assuming lanes running in the same direction, but you can have
lanes running in oposite directions which is what the whole issue
about stop signs came from.